Camera: Allow 3% ISO tolerance during ISO burst VTS

The advertised ISO ranges may not be entirely supported on
some devices. Expect a 3% tolerance when comparing the applied
results versus the expected ISO value.

Bug: 80025874
Test: run vts --skip-all-system-status-check --skip-preconditions
--primary-abi-only --module VtsHalCameraProviderV2_4Target -l INFO

Change-Id: Ibd2758e48a0924e81877e35dd27433669274fdb3